645646776

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1\times {\mathrm{677}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 1640217600

約数和(自身を除く): 994570824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 503, 632, 677, 948, 1006, 1354, 1509, 1896, 2012, 2031, 2708, 3018, 4024, 4062, 5416, 6036, 8124, 12072, 16248, 39737, 53483, 79474, 106966, 119211, 158948, 160449, 213932, 238422, 317896, 320898, 340531, 427864, 476844, 641796, 681062, 953688, 1021593, 1283592, 1362124, 2043186, 2724248, 4086372, 8172744, 26901949, 53803898, 80705847, 107607796, 161411694, 215215592, 322823388, 645646776]

約数ペア:

[(1, 645646776), (2, 322823388), (3, 215215592), (4, 161411694), (6, 107607796), (8, 80705847), (12, 53803898), (24, 26901949), (79, 8172744), (158, 4086372), (237, 2724248), (316, 2043186), (474, 1362124), (503, 1283592), (632, 1021593), (677, 953688), (948, 681062), (1006, 641796), (1354, 476844), (1509, 427864), (1896, 340531), (2012, 320898), (2031, 317896), (2708, 238422), (3018, 213932), (4024, 160449), (4062, 158948), (5416, 119211), (6036, 106966), (8124, 79474), (12072, 53483), (16248, 39737)]